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[分享]玩具 Inline Hook Manage
发表于: 2015-1-25 12:25 4816

[分享]玩具 Inline Hook Manage

2015-1-25 12:25
4816
typedef struct _HookTable {

        LIST_ENTRY ListEntry;
        CHAR chFuncName[128];
        DWORD dwOleFuncAddr;
        DWORD dwNewFuncAddr;
        BYTE byOpCode[15];
        UINT uOpLen;

} HookTable, *pHookTable;

namespace CHookManage {

        class CHookManageClass {

        private:
                LIST_ENTRY m_listEntry;
        protected:
        public:

                //实始化
                VOID        InitiaList();

                //清除
                VOID        ClearList();

                //添加HOOK
                BOOLEAN AddHookFunc(CHAR* pFuncName, DWORD dwOleFuncAddr, DWORD dwNewFuncAddr, UINT uLen, DWORD* dwFunc);

                //HOOK函数
                BOOLEAN HookFunc(DWORD dwOleFuncAddr, DWORD dwNewFuncAddr);

                //UNHOOK函数
                VOID        UnHookFunc(DWORD dwOleFuncAddr, PBYTE pOpCode, UINT uLen);

                //获取函数地址
                DWORD        GetFuncAddr(CHAR* pFuncName);
        };

        //类指向
        CHookManageClass* GetThis();
};

CHookManage::CHookManageClass* CHookManage::GetThis()
{
        static CHookManage::CHookManageClass _CHookManageClass;

        return &_CHookManageClass;
}

VOID CHookManage::CHookManageClass::InitiaList()
{
        InitializeListHead(&m_listEntry);
}

VOID CHookManage::CHookManageClass::ClearList()
{
        if (!MmIsAddressValid(&m_listEntry)) {

                return;
        }

        while (!IsListEmpty(&m_listEntry)) {

                PLIST_ENTRY pListNext = RemoveTailList(&m_listEntry);
                pHookTable pHookInfo = CONTAINING_RECORD(pListNext, HookTable, ListEntry);

                UnHookFunc(pHookInfo->dwOleFuncAddr, pHookInfo->byOpCode, pHookInfo->uOpLen);

                ExFreePool(pHookInfo);
        }
}

BOOLEAN CHookManage::CHookManageClass::AddHookFunc(CHAR* pFuncName, DWORD dwOleFuncAddr, DWORD dwNewFuncAddr, UINT uLen, DWORD* dwFunc)
{
        BOOLEAN bRet = FALSE;

        if ((NULL == pFuncName) || (0 == dwOleFuncAddr) || (0 == dwNewFuncAddr) || (0 == uLen)) {

                return bRet;
        }

        __asm int 3

        pHookTable pTempHookTable = (pHookTable)ExAllocatePool(NonPagedPool, sizeof(HookTable));

        __try {

                RtlZeroMemory(pTempHookTable, sizeof(HookTable));

                StringCbCopy(pTempHookTable->chFuncName, 128, pFuncName);
                pTempHookTable->dwOleFuncAddr = dwOleFuncAddr;
                pTempHookTable->dwNewFuncAddr = dwNewFuncAddr;
                pTempHookTable->uOpLen = uLen;
                RtlCopyMemory(pTempHookTable->byOpCode, (PVOID)dwOleFuncAddr, uLen);

                BYTE byData[] = { 0xE9, 0x00, 0x00, 0x00, 0x00 };
                ULONG uJmpAddr = (dwOleFuncAddr + uLen) - ((DWORD)pTempHookTable->byOpCode + uLen) - 5;
                RtlCopyMemory(byData + 1, &uJmpAddr, sizeof(ULONG));

                RtlCopyMemory((PVOID)((DWORD)pTempHookTable->byOpCode + uLen), byData, sizeof(byData));
                InsertHeadList(&m_listEntry, &pTempHookTable->ListEntry);

                bRet = HookFunc(dwOleFuncAddr, dwNewFuncAddr);

                *dwFunc = GetFuncAddr(pFuncName);

        }
        __except (EXCEPTION_EXECUTE_HANDLER) {

                bRet = FALSE;
        }

        return bRet;
}

BOOLEAN CHookManage::CHookManageClass::HookFunc(DWORD dwOleFuncAddr, DWORD dwNewFuncAddr)
{
        BOOLEAN bRet = FALSE;

        if ((0 == dwOleFuncAddr) || (0 == dwNewFuncAddr)) {

                return bRet;
        }

        __try {

                BYTE byData[] = { 0xE9, 0x00, 0x00, 0x00, 0x00 };
                ULONG uJmpAddr = dwNewFuncAddr - dwOleFuncAddr - 5;

                RtlCopyMemory(byData + 1, &uJmpAddr, sizeof(ULONG));

                CTool::GetThis()->ShutdownWriteProtect();

                RtlCopyMemory((PVOID)dwOleFuncAddr, byData, sizeof(byData));

                CTool::GetThis()->OpenWriteProtect();

                bRet = TRUE;
        }
        __except (EXCEPTION_EXECUTE_HANDLER) {

                bRet = FALSE;
        }

        return bRet;
}

VOID CHookManage::CHookManageClass::UnHookFunc(DWORD dwOleFuncAddr, PBYTE pOpCode, UINT uLen)
{
        if ((0 == dwOleFuncAddr) || (NULL == pOpCode) || (0 == uLen)) {

                return;
        }

        CTool::GetThis()->ShutdownWriteProtect();

        RtlCopyMemory((PVOID)dwOleFuncAddr, pOpCode, uLen);

        CTool::GetThis()->OpenWriteProtect();
}

DWORD CHookManage::CHookManageClass::GetFuncAddr(CHAR* pFuncName)
{
        DWORD dwRet = 0;

        if (NULL == pFuncName) {

                return dwRet;
        }

        PLIST_ENTRY pListNext = m_listEntry.Flink;
        while (pListNext != &m_listEntry) {

                pHookTable pHookInfo = CONTAINING_RECORD(pListNext, HookTable, ListEntry);
                pListNext = pListNext->Flink;

                if (_stricmp(pHookInfo->chFuncName, pFuncName) == 0) {

                        dwRet = (DWORD)pHookInfo->byOpCode;
                        break;
                }
        }

        return dwRet;
}

/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//使用
CHookManage::GetThis()->InitiaList();

        CHookManage::GetThis()->AddHookFunc("NtOpenProcess", CSymbol::GetThis()->GetFuncAddr("NtOpenProcess"), (DWORD)Test_NtOpenProcess, 5, (DWORD*)&g_TestNtOpenProcess);

extern "C"
typedef NTSTATUS(NTAPI* T_NtOpenProcess)(__out PHANDLE ProcessHandle,
__in ACCESS_MASK DesiredAccess,
__in POBJECT_ATTRIBUTES ObjectAttributes,
__in_opt PCLIENT_ID ClientId);

T_NtOpenProcess g_TestNtOpenProcess;
NTSTATUS NTAPI Test_NtOpenProcess(
__out PHANDLE ProcessHandle,
__in ACCESS_MASK DesiredAccess,
__in POBJECT_ATTRIBUTES ObjectAttributes,
__in_opt PCLIENT_ID ClientId
)
{
        __asm int 3

        return g_TestNtOpenProcess(ProcessHandle, DesiredAccess, ObjectAttributes, ClientId);
}

//卸载
CHookManage::GetThis()->ClearList();

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奇葩! 用C++写驱动
2015-1-25 14:44
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什么玩具?先来试试
2015-1-25 15:44
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